Clown neck
A clown neck is the space between a clowns chin and his shoulders. It is often missed when the clown is applying his makeup and as such is a natural skin tone. Possibly by mistake, although this could be a delibrate professional overlook as to avoid make up stains on there clown costume.
'Wow that clown neck has some serious girth'
clown neck
A balding middle aged man wearing a under armor mock turtle neck
Kevin is sporting the "clown neck" look tonight.